[OPEN-ILS-GENERAL] Evergreen Information Retrieval Theories

[Lisa Setters]

Hi all!

I think I may have posted this to a listserv that I am not a part of on
Friday. So, if you replied to that, would you please reply here instead?

I am hoping that someone can help me with some information. I am writing a
report on how Evergreen retrieves records.

Specifically, I am looking for information on the theory of information
retrieval that undergirds Evergreen. What type of algorithm does it use?
How does it determine relevancy? Does it use a specific method in order to
index records? How does it determine what records to pull?

In the Evergreen documentation, I discovered that it uses "cover density"
in order to determine relevance.

Can anyone provide any more information?

Thank you,


Lisa Setters
Research and Web Specialist
859.858.2100
Frequently Asked Questions <http://answers.asburyseminary.edu>
Library Instructional Services
Asbury Theological Seminary
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